Liquid-treating apparatus



Feb. 24.11925. l

` K. W. BARTLETT LIQUID TREATING APPARATUS Filed'JarL 30, 1923 Patented Feb. 24, 1925.

UNITED STATES KENT W. BARTLETT, DF HAMMOND, INDIANA.

LIQUID-TREATING APPARATUS.

Application led January 30, 1923. Serial No. 615,836.

To all whom t may concern.'

Be it known that I, KENT W. BAR'rLn'r'r, a citizen of the United States, residing `at Hammond, in the county of Lake and `State oflndiana, have invented a certain new and useful Improvement in Liquid-Treating Apparatus, of which the following is a full, clear, concise, and exact description.

lll/.ly invention relates to liquid treating apparatus employing a treatment tank, a chemical tank discharging into the treatment tank and mechanism subject to the liquid to be treated for regulating the flow of chemical from the chemical tank to make the chemical proportionateto the liquid to be treated.

Theapparatus of my invention is of particular service when employed in connection with water softening equipment. In such equipment itfhas hitherto been proposed to subdivide the incoming raw water into a large stream and asmall stream, the larger stream issuing through outlets of different size flowing into the treatment tank and the small stream operating upon mechanism to regulate the iiow of chemical into` the treatin ent tank.

In `accordance with one plan these large and small outlets have been formed in the bottom of a container into which the water to be treated is discharged on its way for treatment and would satisfactorily function as long as raw water was. received in the container to maintain a sufcient height above the container bottom. When the height was reduced to and below a certain point, however, the co-eflicients of flow of the water through the outlets would become disproportionate since the volume of water flowing through the larger outlet `would be reduced while the volume of water flowing through the smaller outlet would remain substantiallyunchanged. ItV was also proposed to place these large and small outlets in the side of the containerY but the relative flow would be varied due not only to the change in the height of the water in thecontainer but also due to surface agitation of this water while in the container.

ln practicing my present invention a riser is employedhaving outlets of different size,

overflow, the larger outlet being below the limiting level of said container `and the smaller outletbeing at `the discharge level of the container. There is a supply pipe for conveying liquid to be treated and discharging into the riser, a treatment tank intowhich said container discharges, a chemical tank discharging into the treatment tank, and mechanism for regulating the discharge of chemical from thechemical tank and governed `by the liquid `flowing from the smaller outlet. i

ln the preferred embodiment of the invention the smaller outlet is at the intake end of a discharge pipe which is positioned to receive liquid from the riser and is mounted to permitadjustment of this intake end to vary the level thereof. A float is disposed in the liquid that is supplied to the riser before this liquid is discharged in the treatment tank, this float being preferably located in the container and being connected with the discharge pipe to vary the level of the intake opening in the discharge .pip-e, according tothe level of the` liquid venting agitation ofthe liquid in the region of the smaller outlet or discharge pipe and `also serving to locate a strata of softened water in the region of the smaller outlet if a small portion of the softened water is supplied to the chamber as is preferred. Thus the smaller outlet is prevented from being coated by the unsoftened water that is initially supplied to the riser. The results are further improved by warming the water, preferably before it is received in the treatment tank.

The` invention will be more fully explained by `reference to the accompanying drawing in which Fig. l is a view in elevation, and somewhat diagrammatic, illustrating the preferred embodiment of the invention; Fig. 2 is a sectional view on line 2.-.2 of Fig. Y1 but -on a larger scale; 1and Fig. 3 is a sectional viewtaken on line 3-3 of Fig. l but also on a larger scale.

Like parts are indicated by similar characters of reference.throughout the dierent figures.

The water softeningk or liquid treating apparatus illustrated includes a riser 1 which is desirably formed within and includes a portion of the cylindrical wall of the larger chamber 2l projecting into the treatment tank 3, themajor portions of the chemical reac tions occurring in the chamber 2 to soften the water therein, the softened water flowing through the bottom of the chamber to the space surrounding the chamber 2 and being discharged from the treatment tank through the outlet pipe a to be used for the purpose for which the water is softened.

As illustrated, the riser 1 includes an upright wall and a bottom wall 6, these two walls being located at the upper portion of the chamber 2 and co-operating with a portion ott the cylindrical wall thereof to form the riser 1. l provide a container 7 for receiving raw water from the riser 1. The larger discharge outlet is provided in the upright wall. 5 of the riser 1, this outlet being preferably formed of a group of openingsS. The container 7 overflows at its upper portion into the treatment tank by way of the chamber 2, the falling liquid desirably following Zig-Zag paths defined by the baille plates or pans 9. Steam is admitted through the pipe 10 beneath these baflle plates to heat the falling liquid.

The water or other liquid to be treated is desirably initially admitted to the riser 1 at the bottom, though the invention is not to be limited to the location at which the water is admitted to the riser, l have illustrated a pipe 11 which terminates at the bottom of the riser where it discharges the water thereinto. The smaller outlet which supplies a small fraction of the water to operate the chemical control mechanism is desirably the intake opening 12 at the upper -end of an inclined discharge pipe 13, located in the riser and constituting a valve, this pipe having a horizontal continuation 1-1 which issues through a side of the chamber 2 and is formed in articulated sections which permit the pipe 18 to swing in a vertical plane. The water holders 1 and 7 together constitute a receiver for the water. provide a float 15 in the liquid that is in this receiver, this tioat being desirably disposed in the container 7. The outlet opening 12, in functioning, is at and preferably projects above the limiting or discharge level of the liquid in the container and is held in this relationship by the float 15 during the time that the liquid is flowing from the container into the treatment tank. rlhe pipe 14: is continued downwardly to discharge into a float tank 16. A float 17 is within this tank and has its height governed by the level of the liquid therein, this liquid level rising as the water softening process continues, that is, as long as raw water is being supplied to the treatment tank. The lloat 17 is connected by means of a cable 18 with the swinging outlet pipe 19, that is disposed in the chemical tank 20. As the float rises the pipe 19 is lowered to cause the maintenance of flow of chemical through the pipe 21 to the treatment tank which is proportional to the water being supplied for treatment. A pump 22 may be employed to maintain the proper liow of chemical.

rllhe softened water preferably passes through the filtering chamber 23 before being used for the intended purpose. The pump 24; promotes the flow of the softened and now filtered water to its destination. A small fraction of the softened and filtered water is supplied by the pipe 25 to the stilling chamber 26 located within the riser 1 and spaced apart therefrom, this stilling chamber being open at its ends to permit the flow of water from the riser thereinto. The pipe. desirably discharges into the stilling chamber near the functioning levels of the outlet 12 so as to provide a strata of softened quiet water in the region of this outlet. Vl`he pipe 25 is of such capacity as to supply water at a little faster rate than that at which it may flow through the opening 12 further to guard against the passage of hard water through this opening. |The opening 12, being normally traversed only by softened water, is relieved of any chemical deposits, a result which is especially true if the water is heated.

"l`o guard against the excessive flow of water through the riser 1 and the container 7 l provide a controlling valve 27 which is connected by means of a link 28 with an arm 29 that is upon the section of the piping 1l which carries the pipe 13. `When there is an undue tlow of liquid through the riser l the ioat l5 will operate the valve 27 lo reduce the flow of liquid through the pipe 1l.

The float 39 is desirably also employed, this float being immersed in the liquid in the treatment tank 3, this `['loat being connected with the valve 27. lVhen sufficient treated water has been accumulated in the treatment tank the float 30 will rise to close the valve 27.

lVhile I Ahave herein shown and particularly described the preferred embodiment of my invention I do not wish to be limited to the precise details of construction shown as changes may readily be made without departing from the spirit of my invention, but having thus described my invention l claim as new and desire to secure by Letters Patent the following :-d

1. Liquid treating apparatus including a riser having' outlets of different size; a container into which the larger outlet discharges and open at its upper portion to overflow, the larger outlet being below the limiting level of 'said container and the smaller outlet being at the discharge level of the container; a supply pipe for conveying` liquid to be treated and discharging into the riser; a treatment tank into which said container discharges; a chemical tank discharging into the treatment tank; and mechllO anismfor regulating'thefdischarge of chemical from thefchemi-cal tank and governed by the liquid fiowing'from the smaller outlet;

`2. Liquid treatingapparatus including a. riser;.a dischargepipe positioned to receive liquid from the riser andmountedV to permit adjustmentv of the level occupied by one of its orifices; a container open at itswtop `to overflow; the riser havingV an outlet dischargin'ginto the container whichis larger than the intake opening of said discharge pipe a float in the liquid that is in the container and connected with thedischarge pipe to govern the level of the intake opening of the dischargev pipe; atreatme'nt tank into which the container discharges; a chemical tairk discharging intoV the treatment tank; and mechanism for regulating'. the discharge of chemical from the chemical tank and governed by the liquid flowing through the discharge'pipe. i

3. Liquid treating apparatus including a riser; a discharge pipe positioned to receive liquid from the riser and mounted to permit adjustment of the level occupied by one of its orifices; a container open at its top to Overow, the riser having an outlet discharging into the container which is larger than the intake opening of said discharge pipe; a iioat disposed in the liquid before it overflows in the container and connected with the discharge pipe to govern the level of the intake opening of the discharge pipe; a treatment tank into which the container discharges; a chemical tank discharging into the treatment tank; and mechanism for reg ulating the discharge of chemical from the chemical tank and governed by the liquid flowing through the discharge pipe.

Ll. Liquid treating apparatus including a riser; a discharge pipe positioned to receive liquid from the riser and mounted to permit adjustment of the level occupied by one of its orifices; a container open at its top to overflow, the riser having an outlet discharging into the container which is larger than the intake opening of said discharge pipe; a float in the liquid that is in the container and connected with the discharge pipe to govern the level of the intake opening of the discharge pipe; a treatment tank into which the container discharges; a chemical tank discharging into the treatment tank; mechanism for regulating Vthe discharge of chemical from the chemical tank and governed by the liquid fiowing through the discharge pipe; and a valve controlling the supply of liquid to ythe riser and also connected with the aforesaid float to be closed thereby7 upon excessive flow of liquid.

5. Liquid treating apparatus including a riser; a discharge pipe positioned to receive liquid from the riser and mounted to permit adjustment of the level occupied by one flowing through the discharge pipe; and a valve controlling the supply of liquid to the riser and also connected with'the aforesaid float to be closed thereby upon excessive `iow of liquid.

6. Liquid treating apparatus including .a i

riser having outlets of different size; a conw tainer int-o which the larger outlet discharges and open at its upper portion to cverfiow, the larger' outlet being below the limiting level of said container and the smaller outlet being at the discharge level of the container; a supply pipe for conveying liquid to be treated and discharging into the riser; a chamber within the riser and spaced apart therefrom, this chamber extending above and below the smaller outlet opening and in communication with the riser at its lower end; a treatment tank into which said container discharges; a chemical tank discharging into the treatment tank; and mechanism for regulating the discharge of chemical from the chemical tank and governed by the liquidiI flowing from the smaller outlet.

7. Liquid treating apparatus including a riser having outlets of different size; a container into which the larger outlet discharges and open at its upper portion to overflow, thelarger outlet being below the limiting level of said container and the smaller outlet being at the discharge level of the container; a supply pipe for conveying liquid to be treated and discharging into the riser; achamber within the riser and spaced apart therefrom; Ythis chamber extending above and below the smaller outlet opening and in communication with the riser at its lower end; a treatment tank into which said container discharges; a chemical tank discharging into the treatment tank; mechanism for regulating the dischargeof chemical from the chemical tank and governed by the liquid flowing from the smaller outlet; and a pipe for conveying a portion of the treated liquid to said chamber.

8. Liquid treating apparatus including a riser having outlets of different size; a container into which the larger outlet dis charges and open at it-s upper portion to overflow; the larger outlet being below the limiting level ol' said container and the smaller outlet being at the discharge level of the container; a supply pipe for con.- veying liquid to be treated and discharging into the riser; a chamber within the riser and spaced apart therefrom, this chamber extending above and below the smaller outlet opening and in communication with the riser at its lower end; a treatment tank into which said container discharges; a chemical tank discharging into the treatment tank; mechanism for regulating the discharge of chemical from the chemical tank and governed by the liquid flowing from the smaller outlet; and means :tor heating the liquid.

9. 'Liquid treating apparatus including a riser having outlets o'l diiierent size; a container into which the larger outlet discharges and open atI its upper portion to overiow7 the larger outlet being below the limiting level of said container and the smaller outlet being at the discharge level of the container; a supply pipe for conveying liquid to be treated and discharging into the riser; a chamber within the riser and spaced apart therefrom, this chamber extending above and below the smaller outlet opening and in communication with the riser at its lower1 end; a treat ment tank into which said container discharges; a chemical tank discharging into the treatment tank; mechanism for regulating the discharge of chemical from the chemical tank and governed by the liquid liowing from the smaller outlet; a pipe for conveying a portion ot the treated liquid lo said chamber; and means for heating the liquid.

In witness whereof, I hereunto subscribe my name this fifth day of January A. D., 1923.

KENT W. BARTLETT. 

